Minor Loop Scaling Rules for Finemet Type Soft Magnetic Cores |
| L.K. Vargaa, J. Kováčb
aWigner Research Center for Physics, Institute for Solid State Physics and Optics, Hungarian Academy of Sciences, 1525 Budapest, P.O.B.49, Hungary bInstitute of Experimental Physics SAS, Watsonova 47, 040 01 Košice, Slovakia |
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| The validity of the Steinmetz law (P=KBn) has been analyzed using the tanh model, by splitting the minor loops in three or two components, corresponding to different magnetization processes at different excitation levels. It is shown that the original Steinmetz law with the exponent n=1.6 is valid only at and above the coercive field, for intermediate and high induction values, where all the three magnetization processes are present. At small magnetization levels the exponent is about 3, much higher than the original proposed value. |
DOI: 10.12693/APhysPolA.126.156 PACS numbers: 75.50.Bb, 75.50.Kj, 75.60.-d, 75.60.Ej |